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authorJeffrey Wilcke <geffobscura@gmail.com>2015-08-02 08:20:41 +0800
committerJeffrey Wilcke <geffobscura@gmail.com>2015-08-07 18:52:23 +0800
commit184e9ae9a81df2db6381e18d3daa035d913ae341 (patch)
tree1404780c9d9772b797ff979594e7468ca382d2b6 /core/vm
parent846f34f78b5f76233655d0cf3611706e99f2efe2 (diff)
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core, tests: reduced state copy by N calls
Reduced the amount of state copied that are required by N calls by doing a balance check prior to any state modifications.
Diffstat (limited to 'core/vm')
-rw-r--r--core/vm/environment.go1
-rw-r--r--core/vm/instructions.go1
-rw-r--r--core/vm/jit.go3
-rw-r--r--core/vm/jit_test.go3
-rw-r--r--core/vm/settings.go1
5 files changed, 8 insertions, 1 deletions
diff --git a/core/vm/environment.go b/core/vm/environment.go
index 723924b6f..5a1bf3201 100644
--- a/core/vm/environment.go
+++ b/core/vm/environment.go
@@ -36,6 +36,7 @@ type Environment interface {
Time() uint64
Difficulty() *big.Int
GasLimit() *big.Int
+ CanTransfer(from Account, balance *big.Int) bool
Transfer(from, to Account, amount *big.Int) error
AddLog(*state.Log)
AddStructLog(StructLog)
diff --git a/core/vm/instructions.go b/core/vm/instructions.go
index 7793ff169..d7605e5a2 100644
--- a/core/vm/instructions.go
+++ b/core/vm/instructions.go
@@ -13,6 +13,7 @@
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
package vm
import (
diff --git a/core/vm/jit.go b/core/vm/jit.go
index a77309223..c66630ae8 100644
--- a/core/vm/jit.go
+++ b/core/vm/jit.go
@@ -13,6 +13,7 @@
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
package vm
import (
@@ -48,7 +49,7 @@ func SetJITCacheSize(size int) {
programs, _ = lru.New(size)
}
-// GetProgram returns the program by id or nil when non-existant
+// GetProgram returns the program by id or nil when non-existent
func GetProgram(id common.Hash) *Program {
if p, ok := programs.Get(id); ok {
return p.(*Program)
diff --git a/core/vm/jit_test.go b/core/vm/jit_test.go
index 70432d47b..5b3feea99 100644
--- a/core/vm/jit_test.go
+++ b/core/vm/jit_test.go
@@ -105,6 +105,9 @@ func (self *Env) AddLog(log *state.Log) {
}
func (self *Env) Depth() int { return self.depth }
func (self *Env) SetDepth(i int) { self.depth = i }
+func (self *Env) CanTransfer(from Account, balance *big.Int) bool {
+ return from.Balance().Cmp(balance) >= 0
+}
func (self *Env) Transfer(from, to Account, amount *big.Int) error {
return nil
}
diff --git a/core/vm/settings.go b/core/vm/settings.go
index 9e30d3add..b94efd9ab 100644
--- a/core/vm/settings.go
+++ b/core/vm/settings.go
@@ -13,6 +13,7 @@
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
package vm
var (